Bad Effect of Smoking

A dialogue between two friends on Bad Effect of Smoking.
Rahim: Hello, Karim! It's been a long time since we met. How are you?
Karim: Hi, Rahim! I'm fine. What about you?
Rahim: I'm doing well. But I have noticed something worrying. You seem to be smoking a lot these days.
Karim: Well, you're right. I've become a chain smoker. I smoke several cigarettes a day.
Rahim: That's really concerning. Do you know how harmful smoking is to your health?
Karim: I know it's not good, but I've become addicted to it. I find it difficult to stop.
Rahim: Addiction is a serious problem, but the sooner you quit, the better. Smoking contains harmful chemicals that damage almost every organ of the body.
Karim: I've heard that before, but I don't know much about the specific effects.
Rahim: Smoking greatly increases the risk of lung cancer, heart disease, stroke, and respiratory illnesses. It can also weaken your immune system.
Karim: That's alarming. Lately, I've been c